# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id:
http://devicetree.org/schemas/dma/fsl,mxs-dma.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Freescale Direct Memory Access (DMA) Controller from i.MX23/i.MX28
maintainers:
- Marek Vasut <marex@denx.de>
allOf:
- $ref: dma-controller.yaml#
- if:
properties:
compatible:
contains:
const: fsl,imx8qxp-dma-apbh
then:
required:
- power-domains
else:
properties:
power-domains: false
- if:
properties:
compatible:
contains:
const: fsl,imx23-dma-apbx
then:
properties:
interrupt-names:
items:
- const: audio-adc
- const: audio-dac
- const: spdif-tx
- const: i2c
- const: saif0
- const: empty0
- const: auart0-rx
- const: auart0-tx
- const: auart1-rx
- const: auart1-tx
- const: saif1
- const: empty1
- const: empty2
- const: empty3
- const: empty4
- const: empty5
else:
properties:
interrupt-names: false
properties:
compatible:
oneOf:
- items:
- enum:
- fsl,imx6q-dma-apbh
- fsl,imx6sx-dma-apbh
- fsl,imx7d-dma-apbh
- fsl,imx8dxl-dma-apbh
- fsl,imx8mm-dma-apbh
- fsl,imx8mn-dma-apbh
- fsl,imx8mp-dma-apbh
- fsl,imx8mq-dma-apbh
- fsl,imx8qm-dma-apbh
- fsl,imx8qxp-dma-apbh
- const: fsl,imx28-dma-apbh
- enum:
- fsl,imx23-dma-apbh
- fsl,imx23-dma-apbx
- fsl,imx28-dma-apbh
- fsl,imx28-dma-apbx
reg:
maxItems: 1
clocks:
maxItems: 1
interrupts:
minItems: 4
maxItems: 16
interrupt-names:
minItems: 4
maxItems: 16
"#dma-cells":
const: 1
dma-channels:
enum: [4, 8, 16]
power-domains:
maxItems: 1
required:
- compatible
- reg
- "#dma-cells"
- dma-channels
- interrupts
additionalProperties: false
examples:
- |
interrupt-parent = <&irqc>;
dma-controller@80004000 {
compatible = "fsl,imx28-dma-apbh";
reg = <0x80004000 0x2000>;
interrupts = <82 83 84 85
88 88 88 88
88 88 88 88
87 86 0 0>;
#dma-cells = <1>;
dma-channels = <16>;
};
dma-controller@80024000 {
compatible = "fsl,imx28-dma-apbx";
reg = <0x80024000 0x2000>;
interrupts = <78 79 66 0
80 81 68 69
70 71 72 73
74 75 76 77>;
#dma-cells = <1>;
dma-channels = <16>;
};
...
